{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "discover vulnerability", "arguments": ["vulnerable system version", "supported platform", "capabilities", "vulnerability", "discoverer", "time", "vulnerable system owner"]}], "input": "The patched vulnerability has now received CVE number CVE -2018-15979 “ to reflect that the patch is available ” ."}
{"discover vulnerability": [{"vulnerable system version": "NAN", "supported platform": "NAN", "capabilities": "NAN", "vulnerability": "The patched vulnerability", "discoverer": "NAN", "time": "NAN", "vulnerable system owner": "NAN"}]}